Dorman 911-153 Secondary Air Injection Check Valve

Reliable Secondary Air Injection Check Valve for Buick and Chevrolet

The Dorman 911-153 Secondary Air Injection Check Valve is engineered to maintain optimal emission control in select Buick and Chevrolet vehicles. Designed with durable cast aluminum, this solenoid valve supports efficient air injection system performance for models like the Impala, Lucerne, and Monte Carlo.

• Constructed from cast aluminum for durability and corrosion resistance
• Natural finish complements engine components
• Inlet size: 0.91 inches; outlet size: 0.71 inches for precise fitment
• Maximum pressure rating of 50 psi ensures reliable operation under varying conditions
• Includes 1 check valve, 3 gaskets, and 3 hex screws for complete installation
• Valve type: solenoid for controlled air flow
• Operates effectively within a temperature range of -40 to 75 degrees Celsius

Durable Design and Precise Fitment

The Dorman 911-153 check valve is crafted from cast aluminum, providing strength and resistance to heat and corrosion commonly found in emission control systems. Its natural finish allows for seamless integration with existing engine components. The valve’s solenoid design ensures accurate control of secondary air injection, which is critical for reducing harmful emissions. With inlet and outlet sizes of 0.91 and 0.71 inches respectively, this valve is specifically designed to fit Buick Impala, Lucerne, and Chevrolet Monte Carlo models, ensuring proper installation and function.

Purpose and Common Issues Addressed

• Prevents backflow in the secondary air injection system to maintain emission standards
• Helps reduce engine emissions by ensuring proper air injection timing
• Resolves check valve failures that can cause engine warning lights or failed emissions tests
• Addresses issues related to air injection system leaks or blockages
• Supports consistent engine performance by maintaining air flow integrity

Installation Notes and Tips

Installation of the Dorman 911-153 check valve includes all necessary hardware: 3 gaskets and 3 hex screws. Ensure the engine is cool before beginning installation to avoid injury. Properly align the inlet and outlet ports according to the vehicle’s service manual. Verify that the valve operates within the specified temperature range of -40 to 75 degrees Celsius. Tighten hex screws to manufacturer torque specifications to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control systems. The 911-153 Secondary Air Injection Check Valve undergoes rigorous quality testing to ensure durability and functionality. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.